How to query table data in SQLite?

To retrieve table data in an SQLite database, you can use the SELECT statement. Here is the basic syntax of the SELECT statement:

SELECT 列名1, 列名2, ... FROM 表名;

You can use the following methods to query table data:

  1. Retrieve data for all columns.
SELECT * FROM 表名;
  1. Retrieve data from specified columns.
SELECT 列名1, 列名2, ... FROM 表名;
  1. Retrieve the data that meets the criteria:
SELECT * FROM 表名 WHERE 条件;

For example, querying for students in the “students” table who are age 18 and older:

SELECT * FROM students WHERE age >= 18;
  1. Sort the search results.
SELECT * FROM 表名 ORDER BY 列名 [ASC|DESC];

For example, querying in ascending order by students’ age.

SELECT * FROM students ORDER BY age ASC;
  1. Limiting the search results:
SELECT * FROM 表名 LIMIT 数量;

For example, retrieve the first 10 records from the table “students”.

SELECT * FROM students LIMIT 10;

The above are some commonly used search methods, you can search based on your specific needs.

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